title: Comment on "low prevalance of oral leukoplakia in a representative sample of the US population" Scheifele et al. [Oral Oncology 39 (2003) 619-625].
mesh_terms: D006801:Humans; D007972:Leukoplakia, Oral / Q000453:epidemiology*; D009749:Nutrition Surveys; D015995:Prevalence; D014481:United States / Q000453:epidemiology